test/hotspot/jtreg/testlibrary/jittester/src/jdk/test/lib/jittester/factories/BitwiseInversionOperatorFactory.java

/*
 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package jdk.test.lib.jittester.factories;

import jdk.test.lib.jittester.OperatorKind;
import jdk.test.lib.jittester.ProductionFailedException;
import jdk.test.lib.jittester.Type;
import jdk.test.lib.jittester.TypeList;
import jdk.test.lib.jittester.utils.TypeUtil;
import jdk.test.lib.jittester.UnaryOperator;
import jdk.test.lib.jittester.types.TypeKlass;
import jdk.test.lib.jittester.utils.PseudoRandom;

class BitwiseInversionOperatorFactory extends UnaryOperatorFactory {
    BitwiseInversionOperatorFactory(long complexityLimit, int operatorLimit, Type ownerClass,
            Type resultType, boolean exceptionSafe, boolean noconsts) {
        super(OperatorKind.BIT_NOT, complexityLimit, operatorLimit, ownerClass, resultType, exceptionSafe, noconsts);
    }

    @Override
    protected boolean isApplicable(Type resultType) {
        return resultType.equals(TypeList.INT) || resultType.equals(TypeList.LONG);
    }

    @Override
    protected Type generateType() {
        if (resultType.equals(TypeList.INT)) {
            return PseudoRandom.randomElement(TypeUtil.getImplicitlyCastable(TypeList.getBuiltIn(), resultType));
        } else {
            return resultType;
        }
    }

    @Override
    protected UnaryOperator generateProduction(Type resultType) throws ProductionFailedException {
        return new UnaryOperator(opKind, new IRNodeBuilder().setComplexityLimit(complexityLimit - 1)
                .setOperatorLimit(operatorLimit - 1)
                .setOwnerKlass((TypeKlass) ownerClass)
                .setResultType(resultType)
                .setExceptionSafe(exceptionSafe)
                .setNoConsts(noconsts)
                .getExpressionFactory()
                .produce());
    }
}